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Answers and rating deltas for
How to make object optional in Swift
| Author | Votes | Δ |
|---|---|---|
| vadian | 3 | +0.97 |
| Hussain Shabbir | 1 | +0.73 |
| Prashant Tukadiya | 0 | -1.70 |
Last visited: Nov 1, 2017, 4:58:46 AM